diff --git a/en_US.ISO8859-1/books/handbook/disks/chapter.sgml b/en_US.ISO8859-1/books/handbook/disks/chapter.sgml
index 966b8be8b9..99156deaa8 100644
--- a/en_US.ISO8859-1/books/handbook/disks/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/disks/chapter.sgml
@@ -2756,9 +2756,9 @@ sa0(ncr1:4:0):  Logical unit is in process of becoming ready</screen>
 	<filename>/usr/obj</filename> and other directory trees that
 	can be exactly recreated by your computer.  An example is the
 	files that comprise the HTML or &postscript; version of this
-	Handbook.  These document formats have been created from SGML
+	Handbook.  These document formats have been created from XML
 	input files.  Creating backups of the HTML or &postscript;
-	files is not necessary.  The SGML files are backed up
+	files is not necessary.  The XML files are backed up
 	regularly.</para>
     </sect2>